Start by naming any country that France borders. Then name any country that borders any of those countries. Then keep going until there are no more countries left to name.
Check the map, Kolkata is in the pink part. The modern-day city definitely wasn't but that land was under Chola Influence (same with most of the cities)
Like the quiz - never heard of 'em but it was fun to guess different parts of the world until I came across Kuala Lumpur and went around the region from there.